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The working principle of stainless steel seamless tube annealing furnace
For the manufacture of stainless steel seamless pipes, the corresponding annealing treatment is carried out after each cold drawing. The purpose of annealing: reduce hardness and improve machinability. Eliminate residual stress, stabilize dimensions, reduce deformation and cracking tendency. Refi...Read more -
Why does stainless steel seamless pipe have good bearing capacity？
Stainless steel seamless pipes have good bearing performance and can withstand large impact forces. Currently widely used in frameworks. When the vehicle is turning at high speed or braking suddenly, the high-strength steel pipe can easily absorb the strong impact. The impact force ensures the ri...Read more -
Seamless Steel Pipe Manufacturing and Purchasing Habits
Many people affirm the use of seamless pipes, which are often used to transport gases and chemical liquids. But many people don’t know how it is made. And what should we pay attention to when the factory purchases seamless steel pipes. Seamless piping starts with a solid cylindrical chunk o...Read more -
LSAW pipe
Generally speaking, LSAW pipe is made of steel plate through different forming processes, such as double-sided submerged arc welding and expanding after welding. The forming methods of LSAW pipe include uo (UOE), Rb (RBE), JCO (JCOE), etc. The forming process of UOE longitudinal submerged arc wel...Read more -
Cold drawn seamless steel pipe
Cold-drawn seamless steel pipe annealing: refers to the heat treatment process of heating the metal material to an appropriate temperature, maintaining it for a certain period of time, and then slowly cooling it. Commonly used annealing processes include recrystallization annealing, stress relief...Read more -
How to deal with the welding seam of the spiral steel pipe during the welding process?
When the spiral steel pipe is welded, it is easy to form a coarse columnar crystal structure with strong directionality, which is conducive to the segregation of harmful impurities and elements, promotes the formation of intercrystalline liquid film, and improves the sensitivity of hot cracks. If...Read more -
The difference between stainless steel pipe and stainless steel pipe fittings
1. Different production methods. Non-steel products have no fixed style and specifications, and are generally custom-made stainless steel pipes to cater to customers’ stainless steel products. Therefore, the production method is not fixed, and everything is subject to the customer’s p...Read more -
The seamless steel pipe for automobile frame (4130 steel pipe) is a chrome molybdenum alloy steel pipe
Seamless steel pipe (4130 steel pipe) chrome molybdenum alloy steel pipe for automobile roll cage 4130 domestic grade 30CrMo is an alloy steel containing chromium and molybdenum. Its tensile strength is generally above 750MPa. The ones seen on the market are mainly bars and thick plates. Thin-wal...Read more -
Welding requirements for welded steel pipes, anti-corrosion requirements for steel pipes
The pipe is made of welded steel pipe, and the basic form and size of the welded joint shall comply with the provisions of GB/T 985.1-2008, GB/T 985.2-2008, and GB/T 985.3-2008; the surface of the weld shall be uniform, and there shall be no cracks on the surface. , slag inclusions, needle-shaped...Read more -
Seamless square steel pipe
Seamless square steel pipe is a long strip of steel with a hollow section and no joints around it. It is made of strip steel that has been processed and rolled. Seamless steel pipes have hollow sections and are widely used as pipelines for transporting fluids, such as pipelines for transporting o...Read more -
310S stainless steel pipe plays an important role in engineering construction
The use of stainless steel pipes is now more and more extensive. Because of its good corrosion resistance, it plays a vital role in engineering construction. In the process of production, it is necessary to perform solution treatment on stainless steel pipes. The main purpose is to obtain a certa...Read more -
Spiral steel pipe for drainage
Drainage spiral steel pipe is to discharge excess water to other locations, sometimes also called drainage spiral steel pipe or spiral steel pipe for diversion pipes. The drainage spiral steel pipe is mostly large-diameter spiral steel pipe, because the throughput per unit time is large, which ca...Read more